Risco Plateado volcan

Mise à jour: 16 août. 2022 12:27 GMT - Refresh
stratovolcan 4999 m / 16,401 ft
Argentine/Chili (centre) (Amérique du Sud), -34.93°S / -70°W
Condition actuelle: normal / en sommeil (1 sur 5)

Risco Plateado is a volcanic complex about 10 km south of the Caldera del Atuel and consists of a stratovolcano cut by a 4-km-wide caldera. The age of the last eruption is known but thought to be Holocene (within the past 11,000 years). There are youthful-looking basalt lava flows from the SW rim crater that extend NE to the Rio del Atuel.

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Style éruptif tipique: explosive
Eruptions du volcan Risco Plateado: unknown, probably in the past 10,000 years
Derniers séismes proches: No recent earthquakes

Introduction

2 eruptive centers are located on the SW and NE caldera rims along a NE trending fault zone, extending to a parasitic cone on the lower NE flank 8 km from the caldera.
The earlier products of Risco Plateado volcano were dacitic in composition, while younger lavas are mostly basaltic-andesite lava flows.
Lava flows from the SW-rim center extend westward beyond the flanks of the complex and those from the NE-rim center flow into the caldera and down its NE flank.
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Source: GVP


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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